He was loading for battle carry, not in the middle of an engagement, so the gun was already on safe. That also explains why he wasn't in an all-fired rush to load the thing, though it did appear that the top-heavy design of the round was giving him some trouble.
@perrydoodle
He was loading for battle carry, not in the middle of an engagement, so the gun was already on safe. That also explains why he wasn't in an all-fired rush to load the thing, though it did appear that the top-heavy design of the round was giving him some trouble.